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(parent: 3faebde) | patch
mfd: rtsx: Fix oops when rtsx_pci_sdmmc is not probed
authorWei WANG <wei_wang@realsil.com.cn>
Sun, 27 Jan 2013 00:55:16 +0000 (01:55 +0100)
committerSamuel Ortiz <sameo@linux.intel.com>
Sun, 27 Jan 2013 01:18:07 +0000 (02:18 +0100)
commit4f85734b5b1b860ff89d800eeb7ee830902d4e6b
treec818af028139077880e8f09d7164bcc8774c7e0ctree | snapshot
parent3faebdef0c6f51850db775741dd7e20f2e891a2dcommit | diff
mfd: rtsx: Fix oops when rtsx_pci_sdmmc is not probed

If rtsx_pci_sdmmc is not probed, function pointer pcr->slots[].card_event
will point to NULL, and thus rtsx_pci_card_detect will reference a NULL
pointer.
Check card_event pointer before referencing it can avoid kernel panic.

Signed-off-by: Wei WANG <wei_wang@realsil.com.cn>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
drivers/mfd/rtsx_pcr.c diff | blob | history
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